find area whose circumference is66 CM square
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circumference of circle is 2πr=66
so r=33/π
area is πr²=π*33/π*33*7/22=99*7/2=693/2cm²
so r=33/π
area is πr²=π*33/π*33*7/22=99*7/2=693/2cm²
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